GeoVision GV-R1352 Card Reader (13.56 MHz) - Manual (Page 13)

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1.2.3 Define the ID of GV-SR1251
Up to 8 readers can be connected to GV-AS Controller via a single RS-485 interface. To
create a daisy chain connection, use the Setup AP to define each reader's ID number.
1. Install and download the Setup AP. For details, see 2.4 Install GV-R/RK/DFR Setup AP .
2. Run GV-R/RK/DFR Setup AP .
3. Select the COM port that is connected to the reader and click Open COM . The red
square next to the COM port box should change to blue to indicate the COM port is
correct.
4. Select an ID number for the reader. The ID number ranges from 0 to 7.
5. Click Setup . The serial number and firmware version of the reader are automatically
detected. The settings are sent to the reader.
Note:
1. To define the ID number of GV-Reader1251 / 1352 V2, use the switches at the back of
the reader.
2. GV-SR1251 only reads UID. Therefore, the Only Read GID option in the GV-
R/RK/DFR Setup AP is not functional for GV-SR1251.